A system for the measurement of delayed neutrons and gammas from special nuclear materials
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© 2014, Akadémiai Kiadó, Budapest, Hungary.The delayed neutron counting system at the Royal Military College of Canada has been upgraded to accommodate concurrent delayed neutron and gamma measurements. This delayed neutron and gamma counting system uses a SLOWPOKE-2 reactor to irradiate fissile materials before their transfer to a counting arrangement consisting of six <sup>3</sup>He and one HPGe detector. The application of this system is demonstrated in an example where delayed neutron and gamma emissions are used in complement to examine <sup>233</sup>U content and determine fissile mass with an average relative error and accuracy of -2.2 and 1.5 %, respectively.
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Araújo, H.; Blockley, J.; Bungau, C.; Carson, Michael; Chagani, H.; Daw, E.; Edwards, B.; Ghag, C.; Korolkova, E.; Kudryavtsev, V.; Lightfoot, P.; Lindote, A.; Liubarsky, I.; Lüscher, R.; Majewski, P.; Mavrokoridis, K.; McMillan, J.; Murphy, A.; Paling, S.; Pinto da Cunha, J.; Preece, R.; Robinson, M.; Smith, N.; Smith, P.; Spooner, N.; Sumner, T.; Walker, R.; Wang, H.; White, J. (2008)We present the first measurements of the muon-induced neutron flux at the Boulby Underground Laboratory. The experiment was carried out with an 0.73 tonne liquid scintillator that also served as an anticoincidence system ...
A Novel In-Beam Delayed Neutron Counting Technique for Characterization of Special Nuclear MaterialsBentoumi, G.; Rogge, R.; Andrews, M.; Corcoran, E.; Dimayuga, I.; Kelly, David; Li, L.; Sur, B. (2016)© 2016 IEEE.A delayed neutron counting (DNC) system, where the sample to be analyzed remains stationary in a thermal neutron beam outside of the reactor, has been developed at the National Research Universal (NRU) reactor ...
An introduction to the delayed neutron and gamma counting system at the Royal Military College of CanadaSellers, M.; Corcoran, E.; Kelly, David (2013)The Delayed Neutron (DN) Counting System at the Royal Military College of Canada (RMCC) has been upgraded recentlywith the additional capability to record delayed gamma (DG) emissions from special nuclear materials (SNMs). ...